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import json
import time
from datetime import datetime
from django import forms
from django.conf import settings
from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
from django.http import HttpResponse
from django.shortcuts import render_to_response
from program.models import TimeSlot
from .models import Master, Standby, State
DB = 'nop'
class NopForm(forms.Form):
date = forms.DateField(
required=True,
widget=forms.DateInput(
format='%Y-%m-%d',
attrs={'id': 'nop_date', 'class': 'date'}))
time = forms.TimeField(
required=True,
widget=forms.TimeInput(
format='%H:%M',
attrs={'id': 'nop_time', 'class': 'date'}))
def _dtstring(dt):
return time.strftime('%Y-%m-%d %H:%M', dt)
def _which(timestamp=None):
if timestamp:
res = State.objects.using(DB).filter(timestamp__lt=timestamp)[0]
else:
res = State.objects.using(DB).all()[0]
if not res or res.state == 'master':
return Master
else:
return Standby
def _get_show(datetime=None):
try:
if datetime:
timeslot = TimeSlot.objects.get(start__lte=datetime,
end__gt=datetime)
else:
timeslot = TimeSlot.objects.get_or_create_current()
except (ObjectDoesNotExist, MultipleObjectsReturned):
return {'start': None, 'id': None, 'name': None}
else:
try:
note = timeslot.note
except ObjectDoesNotExist:
note = None
return {'start': _dtstring(timeslot.start.timetuple()),
'id': timeslot.show.id,
'name': timeslot.show.name,
'note': note}
def _current():
artist = None
title = None
album = None
show = _get_show()
if show['id'] in settings.MUSIKPROG_IDS \
or (show['id'] in settings.SPECIAL_PROGRAM_IDS and not show['note']):
result = _which().objects.using(DB).filter(carttype__exact='pool')[0]
artist = result.artist
title = result.title
album = result.album
return {'show': show['name'],
'start': show['start'],
'artist': artist,
'title': title,
'album': album}
def _bydate(year=None, month=None, day=None, hour=None, minute=None):
show = _get_show(datetime(year, month, day, hour, minute))
if show['id'] and show['id'] not in settings.MUSIKPROG_IDS:
return [{'show': show['name'],
'start': show['start'],
'artist': None,
'title': None,
'album': None}]
else:
ts = int(time.mktime((int(year), int(month), int(day), int(hour),
int(minute), 0, 0, 0, -1))) * 1000000
result = _which(ts).objects.using(DB).filter(carttype__exact='pool').filter(timestamp__lt=ts)[:5]
return [{'show': show['name'],
'start': _dtstring(time.localtime(item.timestamp // 1000000)),
'artist': item.artist,
'title': item.title,
'album': item.album} for item in result]
def get_current(request):
response = json.dumps(_current())
return HttpResponse(response, content_type='application/json')
def get(request, year=None, month=None, day=None, hour=None, minute=None):
response = json.dumps(_bydate(int(year), int(month), int(day), int(hour), int(minute)))
return HttpResponse(response, content_type='application/json')
def nop_form(request):
context = {}
date = None
time = None
if request.method == 'GET' \
and ('date' in request.GET or 'time' in request.GET):
form = NopForm(request.GET)
if form.is_valid():
date = form.cleaned_data['date']
time = form.cleaned_data['time']
else:
form = NopForm(initial={'date': datetime.date(datetime.now()),
'time': datetime.time(datetime.now())})
if not date:
date = datetime.date(datetime.now())
if not time:
time = datetime.time(datetime.now())
result = _bydate(date.year, date.month, date.day, time.hour, time.minute)
context['nowplaying'] = result
context['form'] = form
return render_to_response('nop_form.html', context)
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